Goodwill and Intangible Assets (Details) (Manufacturing group, USD $) In Millions, unless otherwise specified	12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended
Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011	Dec. 29, 2012 Cessna	Jan. 01, 2011 Cessna	Jan. 02, 2010 Cessna	Jan. 01, 2011 Bell	Dec. 29, 2012 Bell	Dec. 31, 2011 Bell	Jan. 01, 2011 Textron Systems	Dec. 29, 2012 Textron Systems	Dec. 31, 2011 Textron Systems	Dec. 29, 2012 Industrial	Dec. 31, 2011 Industrial	Jan. 01, 2011 Industrial
Changes in the carrying amount of goodwill
Beginning Balance	$ 1,635	$ 1,632	$ 1,622	$ 322	$ 322	$ 322	$ 30	$ 31	$ 31	$ 958	$ 974	$ 974	$ 308	$ 305	$ 312
Acquisitions	10	5	22	4			1			16			6	5	5
Foreign currency translation	4	(2)	(12)										4	(2)	(12)
Ending Balance	$ 1,649	$ 1,635	$ 1,632	$ 326	$ 322	$ 322	$ 31	$ 31	$ 31	$ 974	$ 974	$ 974	$ 318	$ 308	$ 305

Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 34

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details